The comparative study of philosophical accessories of personal unity of existence doctrine and analogical unity of existence

The mystic’s unity of existence doctrine has been always considered by the Islamic philosophers. Mulla Sadra in philosophical explanation of mystical unity of existence has considered both doctrine of analogical unity of existence and personal unity of existence. Designing of personal unity of existence doctrine in three domains of ontology, epistemology and theology has the accessories which change the Philosophical concepts. So that, the designing of this theory transform the philosophy known as ancient philosophy. Thus, although the words and expressions are common in personal unity of existence doctrine and ancient philosophy, but you cannot apply the accessories of personal unity of existence doctrine in ancient philosophy. So, if we accept personal unity of existence doctrine, it will be followed the accessories which we have no choice but to accept it. Accepting accessories of this doctrine entails to a new philosophy. In this paper, through review of the accessories of personal unity of existence doctrine, we show that accepting the accessories of this doctrine is necessary for designing of a new philosophical system.